Semiconductor device for the vacuum-emission of electrons

Details Semiconductor device for the vacuum-emission of electrons Semiconductor device for the vacuum-emission of electrons

1982-05-21

1985-05-21

Edlow, Martin H.

Electric lamp and discharge devices

With temperature modifier

For lead-in-seal or stem protection

357 16, 357 90, 313385, 313386, 313542, H01L 29161, H01L 2714, H01L 3100, H01L 29205

Patent

active

045189803

ABSTRACT:
An electron emitting device including an active semiconductor layer having a surface from which electrons are emitted. The layer is doped with impurity atoms at a density which decreases with distance from the surface.

REFERENCES:
patent: 3478213 (1969-11-01), Simon et al.
patent: 3631303 (1971-12-01), Antypas et al.
patent: 3868523 (1975-02-01), Klopfer et al.
patent: 3959038 (1976-05-01), Gutierrez et al.
patent: 3981755 (1976-09-01), Gowers
patent: 4119994 (1978-10-01), Jain et al.

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